<template>
    <div class="app-container">
        <!-- 这是顶部header -->
        <mt-header fixed title=" --vue项目">
			<span slot="left" @click="ghBack" v-show="flag">
    			<mt-button icon="back">返回</mt-button>
  			</span>
		</mt-header>

		<transition>
			<router-view></router-view>
		</transition>	
        

        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-rjy" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-rjy" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-rjy" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="huizhang">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-rjy" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
        
 
	</div>
</template>

<script>



export default {
  data(){
      return { 
		  flag:false
	    }
     
  },
  created(){//一进入页面就判断一下flag的值
	 this.flag= this.$route.path==="/home"?false:true
  },
  methods:{
	  ghBack(){//点击返回
		this.$router.go(-1)
	  }
   },
   watch:{
	   "$route.path":function(newVal){
		   if(newVal==="/home"){
			   this.flag=false
		   }else{
			 this.flag=true  
		   }
	   }
   }
}
</script>

<style lang='less' scoped >
.mint-header{
	z-index:99;
}
.app-container{
	padding-top:40px;
	overflow-x: hidden;
	padding-bottom: 50px;
}
.v-enter{
	opacity: 0;
	transform: translateX(100%)
}
.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	 position: absolute;
}
.v-enter-active,
.v-leave-active{
	transition: all 0.3s ease;
}


//解决tabbar不能切换问题   .mui-tab-item  改一下
.mui-bar-tab .mui-tab-item-rjy.mui-active {
    color: #007aff;
}


.mui-bar-tab .mui-tab-item-rjy {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-rjy .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-rjy .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}


</style>
